use of io.netty.handler.ssl.SniCompletionEvent in project zuul by Netflix.
the class SslHandshakeInfoHandler method userEventTriggered.
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
if (evt instanceof SslHandshakeCompletionEvent) {
try {
SslHandshakeCompletionEvent sslEvent = (SslHandshakeCompletionEvent) evt;
if (sslEvent.isSuccess()) {
CurrentPassport.fromChannel(ctx.channel()).add(PassportState.SERVER_CH_SSL_HANDSHAKE_COMPLETE);
SslHandler sslhandler = ctx.channel().pipeline().get(SslHandler.class);
SSLSession session = sslhandler.engine().getSession();
ClientAuth clientAuth = whichClientAuthEnum(sslhandler);
Certificate serverCert = null;
X509Certificate peerCert = null;
if ((clientAuth == ClientAuth.REQUIRE || clientAuth == ClientAuth.OPTIONAL) && session.getPeerCertificates() != null && session.getPeerCertificates().length > 0) {
peerCert = (X509Certificate) session.getPeerCertificates()[0];
}
if (session.getLocalCertificates() != null && session.getLocalCertificates().length > 0) {
serverCert = session.getLocalCertificates()[0];
}
SslHandshakeInfo info = new SslHandshakeInfo(isSSlFromIntermediary, session.getProtocol(), session.getCipherSuite(), clientAuth, serverCert, peerCert);
ctx.channel().attr(ATTR_SSL_INFO).set(info);
// Metrics.
incrementCounters(sslEvent, info);
logger.debug("Successful SSL Handshake: {}", info);
} else {
String clientIP = ctx.channel().attr(SourceAddressChannelHandler.ATTR_SOURCE_ADDRESS).get();
Throwable cause = sslEvent.cause();
PassportState passportState = CurrentPassport.fromChannel(ctx.channel()).getState();
if (cause instanceof ClosedChannelException && (PassportState.SERVER_CH_INACTIVE.equals(passportState) || PassportState.SERVER_CH_IDLE_TIMEOUT.equals(passportState))) {
// Either client closed the connection without/before having completed a handshake, or
// the connection idle timed-out before handshake.
// NOTE: we were seeing a lot of these in prod and can repro by just telnetting to port and then closing terminal
// without sending anything.
// So don't treat these as SSL handshake failures.
logger.debug("Client closed connection or it idle timed-out without doing an ssl handshake. " + ", client_ip = " + clientIP + ", channel_info = " + ChannelUtils.channelInfoForLogging(ctx.channel()));
} else if (cause instanceof SSLException && cause.getMessage().contains("handshake timed out")) {
logger.debug("Client timed-out doing the ssl handshake. " + ", client_ip = " + clientIP + ", channel_info = " + ChannelUtils.channelInfoForLogging(ctx.channel()));
} else if (cause instanceof SSLException && cause.getMessage().contains("failure when writing TLS control frames")) {
// This can happen if the ClientHello is sent followed by a RST packet, before we can respond.
logger.debug("Client terminated handshake early." + ", client_ip = " + clientIP + ", channel_info = " + ChannelUtils.channelInfoForLogging(ctx.channel()));
} else {
String msg = "Unsuccessful SSL Handshake: " + sslEvent + ", client_ip = " + clientIP + ", channel_info = " + ChannelUtils.channelInfoForLogging(ctx.channel()) + ", error = " + cause;
if (cause instanceof ClosedChannelException) {
logger.debug(msg);
} else {
logger.debug(msg, cause);
}
incrementCounters(sslEvent, null);
}
}
} catch (Throwable e) {
logger.warn("Error getting the SSL handshake info.", e);
} finally {
// Now remove this handler from the pipeline as no longer needed once the ssl handshake has completed.
ctx.pipeline().remove(this);
}
} else if (evt instanceof SslCloseCompletionEvent) {
// TODO - increment a separate metric for this event?
} else if (evt instanceof SniCompletionEvent) {
logger.debug("SNI Parsing Complete: {}", evt);
SniCompletionEvent sniCompletionEvent = (SniCompletionEvent) evt;
if (sniCompletionEvent.isSuccess()) {
spectatorRegistry.counter("zuul.sni.parse.success").increment();
} else {
Throwable cause = sniCompletionEvent.cause();
spectatorRegistry.counter("zuul.sni.parse.failure", "cause", cause != null ? cause.getMessage() : "UNKNOWN").increment();
}
}
super.userEventTriggered(ctx, evt);
}
use of io.netty.handler.ssl.SniCompletionEvent in project vert.x by eclipse.
the class SslHandshakeCompletionHandler method userEventTriggered.
@Override
public void userEventTriggered(ChannelHandlerContext ctx, Object evt) {
if (evt instanceof SniCompletionEvent) {
// Shall we care ?
SniCompletionEvent completion = (SniCompletionEvent) evt;
Attribute<String> val = ctx.channel().attr(SERVER_NAME_ATTR);
val.set(completion.hostname());
} else if (evt instanceof SslHandshakeCompletionEvent) {
SslHandshakeCompletionEvent completion = (SslHandshakeCompletionEvent) evt;
if (completion.isSuccess()) {
ctx.pipeline().remove(this);
promise.setSuccess(null);
} else {
promise.tryFailure(completion.cause());
}
} else {
ctx.fireUserEventTriggered(evt);
}
}
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